Thermostat trim plate



FIG. 1 is a front perspective view of a thermostat trim plate showingour new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines of even length illustrate portions of the thermostattrim plate that form no part of the claimed design.

CLAIM The ornamental design for a thermostat trim plate, as shown anddescribed.